-------------------------------------| -15-15-15-15-17-17-17-17-18-18-18-18-| -------------------------------------| -------------------------------------| -------------------------------------| -------------------------------------| -15-15-15-15-------------------------| -------------15-15-15-15-17-17-17-17-| -------------------------------------| -------------------------------------| -------------------------------------| -------------------------------------| -------------17-17-17-17-------------| -18-18-18-18-------------------------| -------------------------------------| -------------------------------------| -------------------------------------| -------------------------------------| repeat throughout whole song